FR2368049B3 - - Google Patents

Info

Publication number
FR2368049B3
FR2368049B3 FR7631089A FR7631089A FR2368049B3 FR 2368049 B3 FR2368049 B3 FR 2368049B3 FR 7631089 A FR7631089 A FR 7631089A FR 7631089 A FR7631089 A FR 7631089A FR 2368049 B3 FR2368049 B3 FR 2368049B3
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7631089A
Other languages
French (fr)
Other versions
FR2368049A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe des Produits Industriels ITT SA
Original Assignee
Societe des Produits Industriels ITT SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Societe des Produits Industriels ITT SA filed Critical Societe des Produits Industriels ITT SA
Priority to FR7631089A priority Critical patent/FR2368049A1/fr
Publication of FR2368049A1 publication Critical patent/FR2368049A1/fr
Application granted granted Critical
Publication of FR2368049B3 publication Critical patent/FR2368049B3/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/951—Measures for supplying operating voltage to the detector circuit
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/101—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
    • G01V3/102—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil by measuring amplitude

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Electronic Switches (AREA)
  • Geophysics And Detection Of Objects (AREA)
FR7631089A 1976-10-15 1976-10-15 Detecteur de proximite Granted FR2368049A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7631089A FR2368049A1 (fr) 1976-10-15 1976-10-15 Detecteur de proximite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7631089A FR2368049A1 (fr) 1976-10-15 1976-10-15 Detecteur de proximite

Publications (2)

Publication Number Publication Date
FR2368049A1 FR2368049A1 (fr) 1978-05-12
FR2368049B3 true FR2368049B3 (enrdf_load_html_response) 1979-06-22

Family

ID=9178813

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7631089A Granted FR2368049A1 (fr) 1976-10-15 1976-10-15 Detecteur de proximite

Country Status (1)

Country Link
FR (1) FR2368049A1 (enrdf_load_html_response)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3277051D1 (en) * 1981-10-30 1987-09-24 Fuji Electric Co Ltd Electronic proximity switch
US5118963A (en) * 1989-11-29 1992-06-02 Honeywell Inc. Symmetrical controlled switching circuit
DE102007034270A1 (de) * 2007-07-19 2009-01-22 Siemens Ag Schaltungsanordnung mit einer mit einem Oszillator verbundenen Spule sowie Verfahren zum Betreiben einer solchen Schaltungsanordnung

Also Published As

Publication number Publication date
FR2368049A1 (fr) 1978-05-12

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